- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/64 - Heavy metals or compounds thereof, e.g. mercury
Patent holdings for IPC class B01D 53/64
Total number of patents in this class: 906
10-year publication summary
|
71
|
77
|
78
|
69
|
60
|
41
|
38
|
26
|
22
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8217 |
48 |
| NOx II, Ltd. | 50 |
39 |
| Calgon Carbon Corporation | 224 |
31 |
| ARQ Solutions (es), Inc. | 58 |
30 |
| Mitsubishi Power, Ltd. | 1680 |
28 |
| Albemarle Corporation | 514 |
22 |
| Ecolab USA Inc. | 5190 |
22 |
| ARQ Solutions, LLC | 43 |
20 |
| Johnson Matthey Public Limited Company | 1852 |
19 |
| Midwest Energy Emissions Corp. | 26 |
17 |
| IHI Corporation | 3268 |
16 |
| Corning Incorporated | 9932 |
15 |
| W. L. Gore & Associates, Inc. | 2600 |
14 |
| IFP Energies Nouvelles | 2717 |
14 |
| Chevron U.S.A. Inc. | 3774 |
11 |
| General Electric Technology GmbH | 1657 |
11 |
| Mercury Capture Intellectual Property, LLC | 14 |
11 |
| Uop LLC | 4083 |
10 |
| Babcock-Hitachi Kabushiki Kaisha | 107 |
10 |
| Carbonxt Inc. | 31 |
10 |
| Other owners | 508 |